diff --git a/oldclonedetector/pom.xml b/oldclonedetector/pom.xml
index a26b090..8e25b49 100644
--- a/oldclonedetector/pom.xml
+++ b/oldclonedetector/pom.xml
@@ -109,7 +109,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.4.8</version>
+			<version>1.4.18</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>